org.apache.hadoop.hdfs.server.namenode

Class INode.ReclaimContext

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.INode.ReclaimContext

Enclosing class:

org.apache.hadoop.hdfs.server.namenode.INode

public static class INode.ReclaimContext
extends Object

Context object to record blocks and inodes that need to be reclaimed

Field Summary

Fields

Modifier and Type	Field and Description
protected BlockStoragePolicySuite	bsps
protected INode.BlocksMapUpdateInfo	collectedBlocks
protected List<org.apache.hadoop.hdfs.server.namenode.INode>	removedINodes
protected List<Long>	removedUCFiles

Constructor Summary

Constructors

Constructor and Description
INode.ReclaimContext(BlockStoragePolicySuite bsps, INode.BlocksMapUpdateInfo collectedBlocks, List<org.apache.hadoop.hdfs.server.namenode.INode> removedINodes, List<Long> removedUCFiles)

Method Summary

Methods

Modifier and Type	Method and Description
INode.BlocksMapUpdateInfo	collectedBlocks()
INode.ReclaimContext	getCopy() make a copy with the same collectedBlocks, removedINodes, and removedUCFiles but a new quotaDelta.
INode.QuotaDelta	quotaDelta()
BlockStoragePolicySuite	storagePolicySuite()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

bsps

protected final BlockStoragePolicySuite bsps

collectedBlocks

protected final INode.BlocksMapUpdateInfo collectedBlocks

removedINodes

protected final List<org.apache.hadoop.hdfs.server.namenode.INode> removedINodes

removedUCFiles

protected final List<Long> removedUCFiles

Constructor Detail

INode.ReclaimContext

public INode.ReclaimContext(BlockStoragePolicySuite bsps,
                    INode.BlocksMapUpdateInfo collectedBlocks,
                    List<org.apache.hadoop.hdfs.server.namenode.INode> removedINodes,
                    List<Long> removedUCFiles)

Parameters:

bsps - block storage policy suite to calculate intended storage type usage

collectedBlocks - blocks collected from the descents for further block deletion/update will be added to the given map.

removedINodes - INodes collected from the descents for further cleaning up of

removedUCFiles -

Method Detail

storagePolicySuite

public BlockStoragePolicySuite storagePolicySuite()

collectedBlocks

public INode.BlocksMapUpdateInfo collectedBlocks()

quotaDelta

public INode.QuotaDelta quotaDelta()

getCopy

public INode.ReclaimContext getCopy()

make a copy with the same collectedBlocks, removedINodes, and removedUCFiles but a new quotaDelta.